Short-term Changes

Question 1

On earth, body learns to process combined signals from (3)

Answer 1

Eyes

Ears

Touch receptors

Question 2

Combined signals from eyes, ears, and touch receptors inform brain of the body’s _

Answer 2

Orientation in relation to environment

Question 3

In space, senses cannot determine any natural (2)

Answer 3

Up

Down

Question 4

Astronauts initially unable to grasp _

Answer 4

Orientation of body

Question 5

As body moves, brain processes sensory information in order to determine body’s orientation at any point of _

Answer 5

Movement

Question 6

_ measures and informs brain how fast body is moving and in what direction in relation to gravity

Answer 6

Vestibular organ

(Inner ear)

Question 7

In addition to vestibular muscles, brain takes into account info from receptors in (2)

Answer 7

Muscles

Joints

Question 8

As a result of lack of orientation, astronauts develop a condition called _

Answer 8

Space motion sickness

Question 9

Space motion sickness symptoms (h,loa)

Answer 9

Headaches

Loss of appetite

Question 10

Space motion sickness symptoms (ap,n)

Answer 10

Abdominal pain

Nausea

Question 11

Space motion sickness subsides when adjusted to environment and have to repeat when _

Answer 11

Return to earth